<template>
     <div class="container">
        <div class="content-gallery">
            <ul>
                <li><a href="#"><img src="../assets/images//01.png" alt=""></a></li>
                <li><a href="#"><img src="../assets/images//02.png" alt=""></a></li>
                <li><a href="#"><img src="../assets/images/03.png" alt=""></a></li>
                <li><a href="#"><img src="../assets/images//04.png" alt=""></a></li>
                <li><a href="#"><img src="../assets/images//05.png" alt=""></a></li>
            </ul>
        </div>

        <div class="content-section">
            <div>
                <h3 class="left-align">授课记录</h3>
            </div>
            <div class="right-align">
                <a href="#">学生快捷登录</a>
            </div>
            <div>
                <div class="box-container"></div>
            </div>
        </div>

        <div class="content-tools">
            <div>
                <div class="section-header">
                    <div>
                        <h3 class="section-title">创作工具</h3>
                    </div>
                    <div>
                        <a href="#">查看更多</a>
                    </div>
                </div>
                <div class="tool-card">
                    <div><a href="#"><img src="../assets/images/a1.png" alt=""></a></div>
                    <div><a href="#"><img src="../assets/images/a2.png" alt=""></a></div>
                    <div><a href="#"><img src="../assets/images/a3.png" alt=""></a></div>
                </div>
            </div>
            <div>
                <div class="section-header">
                    <div>
                        <h3 class="section-title">AI实训中心</h3>
                    </div>
                    <div>
                        <a href="#">查看更多</a>
                    </div>
                </div>
                <div class="tool-card">
                    <div><a href="#"><img src="../assets/images/b1.png" alt=""></a></div>
                    <div><a href="#"><img src="../assets/images/b2.png" alt=""></a></div>
                    <div><a href="#"><img src="../assets/images/b3.png" alt=""></a></div>
                </div>
            </div>
        </div>
    </div>
</template>

<script>

</script>

<style>
* {
            margin: 0;
            padding: 0;
        }

        body {
            background-color: #f2f5f8;
        }

        ul {
            list-style-type: none;
        }

        nav {
            width: 100%;
            height: 70px;
            text-align: left;
            vertical-align: middle;
            line-height: 70px;
            position: absolute;
            box-shadow: 1px 1px 2px 2px #EFEFEF;
        }

        nav a {
            text-decoration: none;
            width: 120px;
            display: inline-block;
            line-height: 50px;
            color: rgb(39, 39, 39);
            font-family: "黑体";
            font-size: 17px;
            position: relative;
            left: 66px;
        }

        nav a:hover {
            cursor: pointer;
        }

        .active {
            color: #2cb0ff;
        }

        .sticky-header {
            position: sticky;
            top: 0;
            background-color: white;
            display: flex;
            align-items: center;
        }

        .container {
            margin: 0 auto;
            width: 1245px;
            background-color: #f2f5f8;
            overflow: hidden;
        }

        .content-gallery {
            width: 1245px;
            height: 200px;
        }

        .content-gallery li img {
            float: left;
            margin-top: 20px;
            margin-right: 20px;
            width: 222px;
            height: 155px;
            border: 2px solid #e0e4e9;
            border-radius: 10px 10px 40px;
            transition: transform 0.5s ease;
        }

        .content-gallery li :nth-child {
            margin-right: 0;
        }

        .content-gallery li img:hover {
            opacity: 0.7;
            transform: scale(1.1);
        }

        .content-section {
            width: 1245px;
            height: 330px;
        }

        .left-align {
            float: left;
        }

        .right-align {
            float: right;
        }

        .right-align a {
            color: #2cb0ff;
        }

        .box-container {
            clear: both;
            margin: 0 auto;
            margin-top: 200px;
            width: 1245px;
            height: 300px;
            background-color: #e3ebf3;
            border-radius: 30px 30px;
        }

        .content-tools {
            width: 1245px;
            height: 200px;
            display: flex;
            flex-direction: row;
            justify-content: center;
        }

        .content-tools .tool-card {
            width: 605px;
            height: 200px;
            margin-right: 15px;
            border-radius: 10px;
            background-color: white;
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;
        }

        .content-tools .tool-card img {
            width: 80%;
            transition: transform 0.5s ease;
        }

        .content-tools .tool-card img:hover {
            opacity: 0.7;
            transform: scale(1.1);
        }

        .content-tools .section-header {
            align-items: normal;
            display: flex;
            justify-content: flex-start;
            margin-bottom: 12px;
            position: relative;
            width: 605px;
        }

        .content-tools .section-header .section-title {
            color: var(--edu-text-color);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            position: relative;
        }

        .content-tools .section-header a {
            color: #656769;
            cursor: pointer;
            font-size: 14px;
            letter-spacing: 1px;
            position: absolute;
            right: 0;
            top: 3px;
            text-decoration: none;
        }
</style>